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51.4 MW Black Liquor operating in Marlboro, SC
51.4 MW
Nameplate Capacity
1
Generators
unit
Wood/Wood Waste Biomass
Technology
2010
Operating Since
Coordinates
34.6050, -79.7850
County
Marlboro, SC
Nearby Plants
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Domtar Paper Company Bennettsville | Domtar Paper Company | — |
| Owner(s) | Domtar Paper Company Bennettsville | Paper Excellence | — |
| Status | Operating | operating | — |
Marlboro Mill is a 51.4 MW biomass power plant located in Marlboro County, South Carolina. The plant began operating in 2010 and has one generator utilizing wood and wood waste as its primary fuel source. The facility is owned by Paper Excellence, a company based in the Netherlands, while the listed EIA operator is Domtar Paper Company Bennettsville.
The plant's latest annual generation was 198,465 MWh, resulting in a capacity factor of 44.0%. Marlboro Mill is within the balancing authority of the South Carolina Public Service Authority and the NERC region of SERC. It is ranked as the 3rd largest biomass plant in South Carolina (out of 3) and 46th nationally (out of 66).
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
South Carolina Public Service Authority (SC)
Grid Voltage
13.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
Industrial CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
15.4K MWh
Latest Month
198.5K MWh
Annual Generation
44.0%
Capacity Factor
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2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $179.6M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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